1987: Iran reportedly receives approximately 100 Scud-B missiles from North Korea. Iran had allegedly agreed to finance North Korea's longer-range missile program in exchange for missile technology and the option to buy the finished missiles.

1996: U.S. Rep. Benjamin Gilman (R-NY) states during a Congressional hearing on China's military sales to Iran that U.S. intelligence believes China has "delivered dozens, perhaps hundreds, of missile guidance systems and computerized tools to Iran."

1996: The Washington Times reports that, according to a Central Intelligence Agency (CIA) report entitled "Arms Transfers to State Sponsors of Terrorism," China has supplied Iran with missile technology including gyroscopes and accelerometers as well as test equipment and components for an advanced radar system.

November 1996: Iran reportedly fires, for the first time, a Chinese C-802 anti-ship missile from one of its 10 Chinese-built "Houdong" patrol boats.

September 1997: The Russian INOR Scientific Center reportedly agrees to supply Iran's Instrumentation Factories Plan with a high-strength steel alloy and three types of alloy foil used to shield missile guidance equipment.

December 1997: U.S. satellite reconnaissance reportedly picks up the heat signature of a missile engine test at the Shahid Hemat Industrial Group (SHIG) research facility, south of Tehran.

January 1998: According to the National Council of Resistance of Iran (NCRI), an Iranian opposition group, Iran has completed development of the Shahab-3 intermediate range missile and it is ready for production.

July 1998: Iran tests the Shahab-3 missile. According to Iranian sources, the 16-meter long missile can carry a 1,000 kg payload 1,300 km. The missile is believed to be single-stage, liquid-fueled, scaled-up version of North Korea's Nodong missile.

September 1998: Iran publicly displays the Shahab-3 missile at a military parade. Also on display are five air-to-air missiles, Chinese C-801 and C-802 anti-ship missiles, and three Iranian-built, solid propellant surface-to-surface missiles, including the Zelzal-2, the Nazeat, and the Shahin.

January 1999: The State Department imposes sanctions on Russia's D. Mendeleyev University of Chemical Technology of Russia, Moscow Aviation Institute (MAI), and The Scientific Research and Design Institute of Power Technology for engaging in "proliferation activities related to Iran's nuclear and/or missile programs."

February 1999: Iran's defense minister Ali Shamkhani announces that the Shahab-4 missile is in production not for military purposes, but for launching a satellite. U.S. intelligence reportedly believes the missile is derived from the 1950s-era Soviet SS-4 "Sandal" medium-range missile, which had a maximum range of 2,000 km.

April 1999: Iran announces the successful test fire of the Sayyad-1, an advanced anti-aircraft missile designed and manufactured by the Aerospace Industries Organization (AIO).

October 1999: Iran reportedly sells Scud-B and Scud-C missiles to the Democratic Republic of Congo (formerly Zaire). Iranian military officers and technicians are on hand to help assemble the missiles.

November 1999: U.S. intelligence reportedly believes that North Korea recently sold Iran 12 Nodong missile engines.

January 2000: Iran commissions three production lines at the Education and Research Institute of the Ministry of Defense. They will allegedly help Iran become self-sufficient in the production of HTPB resin, aluminum powder and potassium chlorite - all of which are useful in the production of solid rocket propellant.

February 2000: Iran reportedly tests a Shahab-3 missile equipped with a North Korean engine. The missile was launched from a TEL at an airbase of Iran's Islamic Revolutionary Guard Corps (IRGC). Iranian sources say the missile has an inertial navigation guidance system and a circular error probable (CEP) of approximately three kilometers.

March 2000: Israeli and U.S. officials reportedly agree that Iran can deploy the Shahab-3 missile.

March 2000: The Iran Nonproliferation Act of 2000 (P.L. 106-178) is signed into law, authorizing sanctions against persons transferring to Iran materials and technology capable of contributing to Iran's cruise and ballistic missile programs.

July 2000: Iran successfully tests the Shahab-3 missile, according to Iranian state media.

August 2000: In its report on worldwide proliferation, the CIA says Iran has made considerable progress in the development of ballistic missiles, and that entities in Russia, North Korea, and China continued to supply the largest amount of ballistic missile-related goods, technology, and expertise to Iran.

September 2000: Iran tests the Shahab-3 missile, but the missile reportedly explodes shortly after launch.

May 2002: Iran tests the Shahab-3 missile. According to Iranian authorities, the test is successful.

July 2002: Iran tests the Shahab-3 missile. The test is reportedly unsuccessful.

September 2002: Iran claims to have successfully flight tested the Fateh-110, a single-stage, solid-fueled missile, with at least a 200 km range. Iran's state media reports the inauguration of a facility to produce the Fateh-110.

May 2003: The State Department imposes sanctions on two Moldovan companies, Cuanta S.A., Computer and Communicatti SRL, on a Moldovan national, Mikhail Pavlovich Vladov, and on Iran's Shahid Hemat Industrial Group (SHIG) for contributing to missile programs in Iran.

July 2003: On July 20, a ceremony is held to mark the distribution of the Shahab-3 to Iran's Islamic Revolutionary Guard Corps (IRGC). The ceremony follows by several weeks what an Iranian foreign ministry spokesman calls the "final test" of the Shahab-3 missile.

November 2003: Iran's defense ministry announces that Iran does not have any program "to build the Shahab-4 missile."

November 2003: In its report to Congress on worldwide proliferation, the CIA says that Iran's ballistic missile inventory is among the largest in the Middle East and that entities in the former Soviet Union, North Korea, and China have helped Iran progress in ballistic missile production.

January 2004: Iran begins production of the Raad cruise missile and the DM-3b active-radar sensor for the Noor anti-ship missile.

May 2004: Iran says it has begun manufacturing a cruise missile called the Kowsar (Kosar), an indigenous stealth anti-ship missile made by the Aerospace Industries Organization (AIO). The missile is said to have three variants: shore-launched, air-launched, and ship-launched.

August 2004: Iran announces the successful test of an upgraded Shahab-3 medium-range ballistic missile, which reportedly is longer than the original version, with a larger fuel tank, and a "baby bottle-shaped" reentry vehicle and an increased range.

September 2004: Iran displays a number of missiles during the Holy Defense Week military parade, including the Zelzal, Nazeat, Shahab-2 and Shahab-3. Reportedly, two Shahab-3 variants featuring a triconic warhead, and assessed to have improved ranges of 1,500 km and 2,000 km, respectively, are displayed.

October 2004: Iran claims that it has successfully tested a more accurate version of the Shahab-3 missile.

December 2004: According to NCRI, Iran's Aerospace Industries Organization (AIO) is developing several clandestine missiles, including the Ghadr, the Shahab-4, and the Zelzal 2, and is working on nuclear and chemical warheads.

2005: North Korea allegedly supplies Iran with 18 missile assembly kits for the BM-25 (or Musudan), a modified version of Russia's SS-N-6. The SS-N-6 is single-stage, liquid-fueled, submarine missile with a range of 2,400 to 3,000 km.

May 2005: Iran's Defense Minister announces the test of a solid-fuel engine for the Shahab-3, in an effort to increase the durability and range of the missile.

June 2005: President George W. Bush issues Executive Order 13382 on Blocking Property of Weapons of Mass Destruction (WMD) Proliferators and Their Supporters. The order freezes the assets of specially designated proliferators of WMD and WMD delivery systems, as well as members of their support networks; four Iranian entities are designated under this Order including Aerospace Industries Organization (AIO), Shahid Hemat Industrial Group (SHIG), Shahid Bakeri Industrial Group, and the Atomic Energy Organization of Iran (AEOI).

December 2005: According to NCRI, Iran is using underground facilities to hide missile command and control centers and to build nuclear-capable missiles.

March-April 2006: Iran holds "Holy Prophet" war games in the Persian Gulf, involving the Islamic Revolutionary Guard Corps (IRGC) Naval Force and Iran's regular naval and armed forces. According to Iran, missiles tested include the Shahab-2, the Kowsar, the sonar-evading Hoot (Hud, Hut) underwater missile, the surface-to-air Fajr-3, and an upgraded Nour cruise missile. Reportedly, the Nour (Noor) may be a variant of the Chinese C-802, the Kowsar a variant of the Chinese C-801, and the Hoot based on the Russian-developed Shkval rocket-powered torpedo.

June 2006: Pursuant to Executive Order 13382, the U.S. Department of the Treasury imposes financial sanctions on four Chinese companies, Beijing Alite Technologies Company Ltd. (ALCO), LIMMT Economic and Trade Company, Ltd., China Great Wall Industry Corporation (CGWIC), and China National Precision Machinery Import/Export Corporation (CPMIEC), and on the U.S.-based CGWIC representative, G.W. Aerospace, Inc., for supplying Iran with missile-related and dual-use components.

July 2006: Pursuant to Executive Order 13382, the Treasury Department imposes financial sanctions on SANAM Industrial Group and Ya Mahdi Industries Group for their ties to missile proliferation; both are Iranian companies subordinate to Iran's Aerospace Industries Organization (AIO).

August-September 2006: During Blow of Zolfaqar war games, Iran claims to have successfully tested a radar-evading, ship-launched missile called the Sagheb, and a new surface-to-surface missile called the Saeqeh. U.S. military intelligence reportedly determines that the video of the Sagheb test released by the Iranian government is actually of an earlier Chinese missile test.

November 2006: Iran tests several missiles during the Islamic Revolutionary Guard Corps (IRGC) led "Great Prophet 2" military maneuvers, including the Shahab-2, Shahab-3, Fateh-110, Zelzal, and Scud-B. Iran claims the Shahab-3 was tested with cluster warheads and achieved a range of approximately 1,900 km. Anti-ship missiles, including the Noor, Kosar, and Nasr, are also reportedly tested.

December 2006: The U.N. Security Council adopts resolution 1737, imposing sanctions to prevent the transfer to Iran of materials, as well as technical or financial assistance, which might contribute to Iranian nuclear and ballistic missile development. The resolution designates eight Iranian entities involved in missile activities, for which financial resources are to be frozen.

January 2007: Pursuant to Executive Order 13382, the Treasury Department imposes financial sanctions on Bank Sepah, a state-owned Iranian financial institution. Bank Sepah is described by Treasury as "the financial linchpin of Iran's missile procurement network."

February 2007: Iran tests the Tor-M1 short-range air defense system provided by Russia. The Tor-M1 system has a reported range of 12 km, which may be increased to 20 km. Iran's IRCG Air Force Commander claims that the system is capable of tracking 48 targets and engaging 8 targets using electro-optic and infrared systems.

February 2007: Iran claims to have tested a suborbital research rocket as part of the country's space program, which may include an effort to develop an independent satellite launch capability. U.S. missile launch sensors reportedly detect no such test.

March 2007: The U.N. Security Council adopts resolution 1747, imposing further sanctions to prevent the transfer of arms and provision of financial assistance to Iran, and designating additional Iranian entities involved in ballistic missile activities, for which financial resources must be frozen.

June 2007: The Treasury Department imposes financial sanctions on two Iranian companies involved in missile work for Iran's Aerospace Industries Organization (AIO), which directs Iran's missile program. Fajr Industries Group is an AIO subordinate involved in the production of missile guidance systems and Mizan Machine Manufacturing Group is an AIO front company involved in procurement.

September 2007: Iran displays the Ghadr-1 (Qadr-1) missile during a military parade, claiming it to be an upgraded version of the medium-range Shahab-3 with a range of 1,800 km. Experts say the Ghadr-1 appears identical to a Shahab-3 variant displayed in 2004. The Ghadr-1, along with other missiles displayed during the military parade, including the Shahab-3, the Fateh-110 and Zelzal-3, are in possession of the Islamic Revolutionary Guard Corps (IRGC) Air Force.

November 2007: Iran says it has built a new missile, the "Ashura" (or Ashoura), with a range of 2,000 km. Descriptions of the Ashura vary from a multi-stage, solid-propellant missile to a missile that uses non-SCUD technology. It is reportedly depicted in a U.S. Missile Defense Agency (MDA) report as a stretched version of the liquid-propelled Shahab-3, fitted with larger tail fins, and in an April 2008 Israeli report as a two-stage solid-propellant missile with a triconic nose shape.

February 2008: Iran claims to have successfully launched its Kavoshgar-1 rocket into space. Iran claims that the Kavoshgar is a two-stage rocket, that it reached an altitude of 200 km, and that it successfully made contact with the ground station. Private analysts believe that the Kavoshgar is a single-stage, liquid-fueled missile and that the space center, located 230 km southeast of Tehran, has the potential to be used in developing long-range missiles. Iran also inaugurates a space center with a satellite control and tracking station and displays its "Omid" satellite.

March 2008: The U.N. Security Council adopts resolution 1803, extending travel restrictions and asset freezes to - and in some cases instituting a travel ban on - additional Iranian entities, and barring Iran from buying almost all nuclear and missile-related technology.

July 2008: Iran claims to have successfully test-fired a Shahab-3 missile with a range of 2,000 km, as well as Zelzal and Fateh surface-to-surface missiles, during "Great Prophet III" war games run by the Islamic Revolutionary Guard Corps (IRGC) in the Persian Gulf.

August 2008: Pursuant to Executive Order 13382, the Treasury Department imposes financial sanctions on two Iranian firms, the Safety Equipment Procurement Company (SEP Co.) and Joza Industrial Company for their links to procurement for Iran's missile program.

August 2008: Iran launches the "Safir," a two-stage, liquid fueled rocket based on the Shahab-3 missile, according to analysts. The rocket is about 22 meters long, with a diameter of 1.25 meters, and weighing over 26 tons. According to Iran, the rocket is intended as a satellite launch vehicle. Contrary to initial reports, however, the launch does not place a satellite into orbit.

September 2008: Pursuant to Executive Order 13382, the Treasury Department imposes financial sanctions on the Islamic Republic of Iran Shipping Lines (IRISL) and eighteen of its subsidiaries for facilitating shipments of military cargo for Iran's Ministry of Defense Armed Forces Logistics (MODAFL) and its subordinate entities. MODAFL has brokered transactions involving ballistic missile-related materials and technologies.

September 2008: Pursuant to Executive Order 13382, the Treasury Department sanctions six Iranian military firms. Three of these firms, Iran Electronics Industries, Shiraz Electronics Industries and Iran Communications Industries, make communications equipment for Iran's military. Iran Aircraft Manufacturing Industrial Company (HESA) develops and produces unmanned aerial vehicles and other military aircraft and its subsidiary Farasakht Industries makes aerospace tools and equipment. These entities are owned or controlled by Iran's Ministry of Defense Armed Forces Logistics (MODAFL).

November 2008: Iran claims to have successfully tested the Sejil (Sejjil, Sijjil), a two-stage, solid fuel, surface-to-surface missile with a range of nearly 2,000 km. According to private analysts, the missile appears to be larger than Iran's Shahab-3, with a total length of about 22 meters, and share some design features with Soviet-era ballistic missiles.

December 2008: Western intelligence sources reportedly state that in 2008 Iran more than tripled the number of operational Shahab-3 missiles, with over 100 missiles now delivered to the Islamic Revolutionary Guard Corps (IRGC).

February 2009: Iran successfully launches the "Omid" telecommunications and research satellite into orbit, from Semnan province, using its own rocket, the Safir 2. The rocket is 22 meters long, weighs 26 tons and has a diameter of 1.25 meters, according to the head of Iran's Space Agency. It is a two-stage rocket that lofted the 27 kg Omid into low earth orbit at an altitude of 250 km.

April - May 2009: Iranian officials are reportedly present when North Korea launches a long-range rocket (Unha-2) in April and detonates a nuclear device in May.

May 2009: Iran successfully test fires the Sejil-2 (Sejjil-2, Sijjil-2) missile from Semnan province. Iranian authorities claim that this version of the missile has improved sensors and that production of the missile has begun.

June 2009: Iran launches mass production of a ground-to-air missile defense system, called Shahin, reportedly capable of tracing and targeting aircraft within a range of about 40 km.

December 2009: Iran successfully test-fires an upgraded version of the Sejil-2 (Sejill-2, Sijjil-2) missile. Defense Minister Ahmad Vahidi says that the new version has a shorter launch time and great maneuverability.

February 2010: The International Atomic Energy Agency reports that Iran may have conducted work related to the design of a nuclear warhead for a ballistic missile, including missile re-entry body engineering and "engineering design and computer modeling studies aimed at producing a new design for the payload chamber of a missile."

February 2010: Iran launches the Kavoshgar-3 rocket into space carrying living creatures. Iran also unveils a new space launch vehicle, the Simorgh-3, and three new satellites. According to Iran's space agency, the Simorgh-3 can place a 100 kg satellite into 500 km orbit. The launch vehicle reportedly uses a configuration similar to that of North Korea's Taepodong-2 ballistic missile.

February 2010: Iran begins production of two guided missiles, the Qaem anti-helicopter missile and the Toofan-5 (Touphan-5, Toophan-5) anti-armour missile, according to Iran's Defense Ministry.

March 2010: Iran reportedly begins the indigenous production of the Chinese-designed Nasr-1 anti-ship missile. The Nasr-1, which can carry a 130 kg warhead to a range of 38 km, is based on the Chinese C-704 missile.

March 2010: An analysis of satellite imagery by Jane's Defence Weekly reveals significant expansion of the launch facility at Iran's Semnan space center. The expansion, which is in progress, includes the construction of two new launch and engine test pads as well as a number of support buildings.

April 2010: Iran displays several missiles during a military parade, including the Shahab-3, the Ghadr-1 (Qadr-1), and the Sejil (Sejjil, Sijjil). The Shahab-3 is a liquid-fueled missile with a range of up to 2,000 km that is capable of carrying a 760 - 1,000 kg warhead. The Ghadr-1 is reported to be an optimized version of the Shahab-3. The Sejil is a solid-fuel, two-stage missile. These missiles were developed by Iran's Aerospace Industries Organization (AIO).

April 2010: The Mersad air defense system becomes operational, according to Iran's Ministry of Defense. This system is reportedly equipped with advanced radar signal processing technology and electronic equipment for guidance and target acquisition. The system uses Shahin missiles, which are reportedly an upgraded version of the U.S.-made HAWK missile supplied to Iran in the 1970s.

June 2010: The U.N. Security Council adopts resolution 1929, barring Iran from procuring missiles, missile systems, and related spare parts as defined by the U.N. Register of Conventional Arms, and barring countries from providing Iran with training, servicing, or other maintenance related to such missiles. The resolution also "decides" that Iran should not undertake any activity related to nuclear-capable ballistic missiles, including launches, and designates additional Iranian entities involved in ballistic missile activities, for which financial resources must be frozen.

June 2010: Pursuant to Executive Order 13382 and U.N. Security Council resolution 1929, the Treasury Department sanctions the Islamic Revolutionary Guard Corps Air Force (IRGCAF) and the Islamic Revolutionary Guard Corps Missile Command for their ties to Iran's ballistic missile programs.

August 2010: Iranian Defense Minister Brigadier General Ahmad Vahidi announces the successful test launch of the liquid-fueled Qiam-1 (Qaem-1) missile. Vahidi also announces the test of an upgraded Fateh-110 missile, which he claims is more accurate and can travel farther than earlier versions of this missile.

September 2010: An upgraded variant of the solid-fueled Fateh-110 missile is allegedly delivered to the Islamic Revolutionary Guard Corps Air Force (IRGCAF).

September 2010: The government of Singapore interdicts a shipment of 18 tons of aluminum powder bound for Takin Tejarat Omid Iranian in Iran. The aluminum powder could be used to make solid propellant for missiles and is among the materials that Iran is barred from importing. The quantity of aluminum powder would yield approximately 100 tons of rocket propellant suitable for use in Iran's Fateh of Zelzal missiles.

September 2010: Pursuant to Executive Order 13382, the Treasury Department sanctions the German bank Europisch-Iranische Handelsbank. Among other activities, the bank, along with the Export Development Bank of Iran, "enabled Iran's missile programs to purchase more than $3 million of material."

September 2010: Russian President Dmitry Medvedev bans delivery of S-300 air defense systems to Iran. The S-300 is capable of destroying aircraft at ranges of 150 km and at altitudes of up to 27 km.

October 2010: A missile with a nosecone similar to that of Iran's Shahab-3 is displayed in a military parade in North Korea, leading some analysts to cite it as evidence of Iran-North Korea technical cooperation on missile development.

October 2010: Iran conducts an unannounced test of its Sejil/Ashura missile, according to a U.N. Panel of Experts Report.

January 2011: Pursuant to Executive Order 13382, the Treasury Department announces sanctions against Shahid Ahmad Kazemi Industries Group and M. Babaie Industries. Both companies are linked to Iran's Aerospace Industries Organization (AIO) and have been used to solicit foreign technologies for Iranian ballistic missile program.

January 2011: Iran inaugurates ten new laboratories for testing space structures and complete rocket systems. These facilities reportedly feature testing rigs for rocket sections, a thermal test rig for heat shields, and fixtures for aeroelasticity testing of complete multistage rockets, all of which are controlled items under the Missile Technology Control Regime.

February 2011: Iran tests a supersonic, anti-ship ballistic missile, called the Khalij Fars, which Iran claims can carry a 650 kg warhead to a range of 300 km. According to Jane's Missiles and Rockets, it is a new variant of the existing Fateh A-110 and uses a similar launcher.

February 2011: Pursuant to Executive Order 13382 the Treasury Department imposes sanctions on eleven entities in an illicit procurement network supporting Iran's Aerospace Industries Organization (AIO). Led by Milad Jafari, the network used companies in Iran and Turkey to procure metal parts, including steel and aluminum alloys, for Iran's missile program.

February 2011: Iran conducts an unannounced test of several missiles, including the Khalij-Fasr (variant of Fateh-110), Shahab-3, and Sejil, according to a U.N. Panel of Experts Report.

March 2011: Iran launches a Kavoshgar-4 rocket into space carrying a test capsule designed to hold a monkey.

May 2011: Iran begins mass production of the Qiam-1 (Qaem-1) ballistic missile and delivery of the missile system to the Islamic Revolutionary Guard Corps (IRGC).

May 2011: According to a U.N. Panel of Experts report, Iran and North Korea are suspected of exchanging ballistic missile technology, using regular scheduled Air Koryo and Iran Air flights, in violation of sanctions on both countries.

June 2011: Iran launches the Rasad satellite into space. The 15.3 kg satellite is launched on the Safir, a two-stage rocket, which weighs 26 tons, measures 22 meters in length, and is 1.25 meters wide, according to Iranian officials. The satellite is designed to be placed in a 260 km orbit.

June 2011: Iran's Islamic Revolutionary Guard Corps (IRGC) fires fourteen missiles as part of their "Great Prophet 6" exercises. The missiles include one Shahab-3 missile, two Shahab-1 missiles, two Shahab-2 missiles, and nine Zelzal missiles.

June 2011: An Iranian state television broadcast reveals underground missile silos that Iran claims would make its missiles less vulnerable to attack and allow for the launch of larger missiles.

August 2011: Iran inaugurates a carbon fiber production line at Iran's Aerospace Industries Organization (AIO). Carbon fiber composites have applications in missiles, specifically in items such as rocket motor exit cones and nozzles, reentry vehicle nosetips, heat shields, and leading edges of control surfaces.

September 2011: Iran's Defense Ministry reportedly delivers the of Qader anti-ship cruise missile to Iran's Navy and to the IRGC's Naval Force. According to Iran's defense minister, the Qader has a range of 200 km.

November 2011: The International Atomic Energy Agency reports that under Project 111, Iran allegedly studied how to integrate a new spherical payload onto the Shahab-3 missile, including a high explosive and detonation package suitable for use in an implosion device.

December 2011 - January 2012: Iran test fires Qader, Nasr, and Mehrab missiles during the "Velayat-90" naval exercise in the Persian Gulf and the Sea of Oman, according to Iran's Ministry of Defence. The Qader is an anti-ship cruise missile with a range of 200 km and is described as an upgrade of Iran's Noor missile. The Nasr is a short-range anti-ship missile, which was tested for the first time during the exercise. The Mehrab is a naval surface-to-air missile with anti-radar and anti-jamming capabilities, according to Iranian Naval officials.

February 2012: Iran successfully launches the Navid-e Elm-o (Navid) satellite into orbit using the Safir launch-vehicle, according to Iran's Ministry of Defense. The satellite weighs roughly 50 kg and is set to orbit at an altitude between 250 km of 375 km. According to Iranian defense officials, the Navid was developed in coordination with Iran's Aerospace Industries Organization (AIO) and the Sharif University of Technology.

February 2012: Iran inaugurates a production line for the Zafar naval cruise missile, which is a short-range, anti-ship, radar-guided missile, according to Iran's defense minister. A first shipment of missiles is delivered to the IRGC. The Zafar appears to be a modified version of the Chinese C-701AR missile, according to analysts.

March 2012: David Levick, a 50 year old Australian national, and his company ICM Components Inc., are indicted by a U.S. federal grand jury in the District of Columbia for illegally exporting to Iran equipment that could be used in missiles, drones and torpedoes, according to the U.S. Department of Justice. Equipment reportedly included VG-34 Series Miniature Vertical Gyroscopes used to control the pitch and roll of missiles and torpedoes.

April 2012: According to a U.S. Department of Defense report, Iran may be technically capable of testing an intercontinental ballistic missile by 2015, and continues to develop the Ashura missile and an extended-range variant of the Shabab-3 missile. Iran also provides missiles and rockets to militant groups in the region through the IRGC Qods Force, including Hamas, Lebanese Hezbollah, and the Taliban.

April 2012: A group of 12 officials from the Shahid Hemmat Industrial Group (SHIG), which is involved in Iran's ballistic missile program, reportedly attend a failed rocket launch in North Korea.

July 2012: Iran's Islamic Revolutionary Guard Corps (IRGC) reportedly fires tens of short- and medium-range missiles during the "Great Prophet 7" war games, including the Shahab 1, 2 and 3, as well as the Fateh, Qiyam (Qiam), Tondar, Khalij Fars, and Zelzal.

September 2012: Iran displays the Raad (Thunder) air defense system, which carries missiles with a range of 50 km and is capable of striking a target at 22,000 meters, according to IRGC General Ami Ali Hajizadeh.

October 2012: The European Union bans exports to Iran of graphite, raw or semi-finished metals, including aluminum and steel, and software for integrating industrial processes. The European Union bans exports to Iran of graphite, raw or semi-finished metals, including aluminum and steel, and software for integrating industrial processes.

January 2013: Iran reportedly begins mass production of the Ya Zahra short-range air defense system. Iran’s Defense Minister Brigadier General Ahmad Vahidi describes the Ya Zahra system as being able to detect, track, and destroy multiple short range targets simultaneously.

February 2013: An Iranian shipment of explosives, mortars, rocket-propelled grenades, IED precursors, and man-portable anti-aircraft missiles, intended for insurgents operating in Yemen, is intercepted by the Government of Yemen.

May 2013: Israel reportedly carries out a series of airstrikes near Damascus aimed at destroying an Iranian shipment of surface-to-surface missiles, including Fateh-110s.

May 2013: Iran displays at least 26 transporter erector launchers (TELs), reportedly including some large enough to carry the Shahab-3 and the Sejjil ballistic missiles. The TELs are displayed at a ceremony to mark their delivery to the IRGC.

May 2013: Pursuant to Executive Order 13382, the Treasury Department imposes sanctions on fourteen entities for their role in Iran's international procurement and proliferation operations, including Deputy Defense Minister Reza Mozaffarinia. Mozaffarinia is also dean of Malek Ashtar University and has made "significant contributions" to Iran's missile and space launch programs, according to the Treasury Department.

June 2013: Iranian President Mahmoud Ahmadinejad inaugurates the Imam Sadeq Observation and Monitoring Center, a space monitoring center in the Delijan District of the Markazi Province. The center is equipped with radar, electro-optical, and radio tracking, and was built with help from the Ministry of Defense.

July 2013: U.S. military intelligence reports that Iran could develop and test an ICBM capable of reaching the United States by 2015 and that Iran's two-stage Simorgh space launch vehicle could serve as a test bed for developing ICBM technologies.

August 2013: Iran appears to be developing a new space launch facility 40 km southeast of the city of Shahrud, according to an analysis of satellite imagery by IHS Jane's. The new site has a larger launch pad than the existing Semnan space center and is equipped with a horizontal rocket checkout facility and a 23 meter launch tower. Both the Semnan and Shahrud facilities are believed to be capable of launching Iran's Simorgh satellite launch vehicle.

September 2013: Iran displays its Shahab-3, Sejil, and Ghadr missiles in a military parade marking the start of Sacred Defense Week. The solid-fuel Sejil missile has two stages and a greater range than the Shahab-3.

October 2013: U.S. authorities indict Reza Olangian on charges of attempting to acquire and transfer surface-to-air missiles to Iran.

November 2013: A report by the International Institute for Strategic Studies (IISS) estimates that Iran is "unlikely" to deploy an operational ICBM before 2020.

December 2013: Pursuant to Executive Order 13382, the Treasury Department imposes sanctions on several Iranian entities for their links to Iran's ballistic missile and military aviation programs, including Maro Sanat Company, Navid Composite Material Company, and Qods Aviation Industries, as well as Qods front companies Fan Pardazan and Ertebat Gostar Novin and Qods's commercial manager Reza Amidi. Navid Composite is building a carbon fiber production plant in Iran, according to the Treasury Department.

December 2013: Iran launches a monkey into space for the second time, using a liquid-fueled rocket that travels 120 km into space and returns to earth after 15 minutes, according to Iranian scientists.

January 2014: Iran's ballistic missiles are "inherently capable of delivering WMD," according to a worldwide threat assessment by the U.S. intelligence community. The intelligence community also assesses that Iran's space launch program provides the country with the means to develop longer-range missiles, including an ICBM, and that Iran maintains the largest inventory of ballistic missiles in the Middle East.

February 2014: Iran displays two satellites developed by researcher at Malek Ashtar University. "Tadbir" (Wisdom) is an improved version of the "Navid-e-Elm-o-Sanat" (The Promise of Science and Industry) satellite, with upgraded imagery resolution, while the "Khalij-e-Fars" (Persian Gulf) satellite supports secure wireless communications.

February 2014: German authorities reportedly arrest a German-Iranian man, Dr. Ali Reza B., on charges of providing Iran with components for its missile program. The equipment, worth nearly $315,000, includes dual-use items such as vacuum pumps and valves.

February 2014: Iran announces the test of a ballistic missile known as the "Barani." Iran claims the missile has a new submunition warhead able to better evade missile defense systems and attack multiple targets simultaneously.

March 2014: Israel intercepts a ship carrying Iranian weapons bound for Gaza. The arms seized from the Klos C, a cargo ship, include M-302 rockets, which are capable of reaching any point in Israel.

March 2014: According to a senior U.S. State Department official, Li Fangwei, a Chinese businessman indicted in 2009 for alleged sales of missile parts to Iran, remains a major supplier of Tehran's missile program. Both Li (also known as Karl Lee) and his company, LIMMT, have been sanctioned by the United States.